qemu-system-x86_64  \
-m 2048M \
-cpu kvm64,+smep,+smap \
-kernel ./bzImage \
-initrd rootfs.cpio \
-nographic \
-s \
-smp 4,cores=2,threads=2 \
-append "console=ttyS0 quiet kaslr" \
-enable-kvm
